/*
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 */
package org.apache.qpid.management.common.sasl;

import org.apache.harmony.javax.security.auth.callback.CallbackHandler;
import de.measite.smack.Sasl;
import org.apache.harmony.javax.security.sasl.SaslClient;
import org.apache.harmony.javax.security.sasl.SaslClientFactory;
import org.apache.harmony.javax.security.sasl.SaslException;
import java.util.Map;

public class CRAMMD5HashedSaslClientFactory implements SaslClientFactory {
	/** The name of this mechanism */
	public static final String MECHANISM = "CRAM-MD5-HASHED";

	public SaslClient createSaslClient(String[] mechanisms,
			String authorizationId, String protocol, String serverName,
			Map<String, ?> props, CallbackHandler cbh) throws SaslException {
		for (int i = 0; i < mechanisms.length; i++) {
			if (mechanisms[i].equals(MECHANISM)) {
				if (cbh == null) {
					throw new SaslException("CallbackHandler must not be null");
				}

				String[] mechs = { "CRAM-MD5" };
				return Sasl.createSaslClient(mechs, authorizationId, protocol,
						serverName, props, cbh);
			}
		}
		return null;
	}

	@SuppressWarnings("rawtypes")
	public String[] getMechanismNames(Map props) {
		return new String[] { MECHANISM };
	}
}
